199392080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{563}}^1$

素因数の和:828

約数の個数: 80

約数和(自身を含む): 490950720

約数和(自身を除く): 291558640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 233, 304, 380, 466, 563, 760, 932, 1126, 1165, 1520, 1864, 2252, 2330, 2815, 3728, 4427, 4504, 4660, 5630, 8854, 9008, 9320, 10697, 11260, 17708, 18640, 21394, 22135, 22520, 35416, 42788, 44270, 45040, 53485, 70832, 85576, 88540, 106970, 131179, 171152, 177080, 213940, 262358, 354160, 427880, 524716, 655895, 855760, 1049432, 1311790, 2098864, 2492401, 2623580, 4984802, 5247160, 9969604, 10494320, 12462005, 19939208, 24924010, 39878416, 49848020, 99696040, 199392080]

約数ペア:

[(1, 199392080), (2, 99696040), (4, 49848020), (5, 39878416), (8, 24924010), (10, 19939208), (16, 12462005), (19, 10494320), (20, 9969604), (38, 5247160), (40, 4984802), (76, 2623580), (80, 2492401), (95, 2098864), (152, 1311790), (190, 1049432), (233, 855760), (304, 655895), (380, 524716), (466, 427880), (563, 354160), (760, 262358), (932, 213940), (1126, 177080), (1165, 171152), (1520, 131179), (1864, 106970), (2252, 88540), (2330, 85576), (2815, 70832), (3728, 53485), (4427, 45040), (4504, 44270), (4660, 42788), (5630, 35416), (8854, 22520), (9008, 22135), (9320, 21394), (10697, 18640), (11260, 17708)]